llvm/compiler-rt/lib/stats/stats.cpp

//===-- stats.cpp ---------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Sanitizer statistics gathering. Manages statistics for a process and is
// responsible for writing the report file.
//
//===----------------------------------------------------------------------===//

#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_file.h"
#include "sanitizer_common/sanitizer_internal_defs.h"
#if SANITIZER_POSIX
#include "sanitizer_common/sanitizer_posix.h"
#endif
#include "sanitizer_common/sanitizer_symbolizer.h"
#include "stats/stats.h"
#if SANITIZER_POSIX
#include <signal.h>
#endif

usingnamespace__sanitizer;

namespace {

InternalMmapVectorNoCtor<StatModule **> modules;
StaticSpinMutex modules_mutex;

fd_t stats_fd;

void WriteLE(fd_t fd, uptr val) { … }

void OpenStatsFile(const char *path_env) { … }

void WriteModuleReport(StatModule **smodp) { … }

} // namespace

extern "C"
SANITIZER_INTERFACE_ATTRIBUTE
unsigned __sanitizer_stats_register(StatModule **mod) { … }

extern "C"
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_stats_unregister(unsigned index) { … }

namespace {

void WriteFullReport() { … }

#if SANITIZER_POSIX
void USR2Handler(int sig) { … }
#endif

struct WriteReportOnExitOrSignal { … } wr;

} // namespace